Year   Concerts Seen  
2022 2 concerts
2019 1 concert
2006 1 concert
2004 1 concert
2000 2 concerts
1997 1 concert
1996 2 concerts
1993 2 concerts
1991 1 concert
1990 3 concerts
1989 8 concerts
1988 12 concerts
1987 14 concerts
1986 11 concerts
1985 14 concerts
1984 22 concerts
1983 15 concerts
1982 8 concerts
1979 3 concerts
1977 1 concert